On 05/22/2013 11:42:30 AM, Denys Vlasenko wrote:
On Mon, May 20, 2013 at 8:56 AM, Harald Becker <[email protected]> wrote:
>>> Busybox init has a restart action. If
>>> this action is set to a script it is invoked after normal
>>> shutdown processing. The script may do whatever action may be
>>> required or optionally restart the init process.
>>
>>That seems a little bit clunky; we may not always want the
>>restart action to be a kexec (but just a normal reboot). In this
>>case, would we need to be dynamically reconfiguring the restart
>>action?
>
> We have already three types of shutdown: halt, reboot and
> poweroff. All three are handled by the same restart action and
> need what you call "dynamic reconfiguration". You may just pass
> required information via shared memory. In most cases I know, it
> is handled this way.
I think the entire "reboot/shutdown through init" idea
is not too clever invention in general.
The operation of shutting down the system
is not intrinsically tied to init.
It was designed that wasy because you have to tell init to stop
respawning services. (You've always been able to do reboot -f yourself
if you don't actually care.)
Rob
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